@article{1255632711,
author = {Hermann, Robert},
title = {Some differential-geometric aspects of the Lagrange variational problem},
journal = {Illinois J. Math.},
volume = {6},
number = {1},
year = {1962},
pages = { 634-673},
language = {en},
url = {http://dml.mathdoc.fr/item/1255632711}
}
Hermann, Robert. Some differential-geometric aspects of the Lagrange variational problem. Illinois J. Math., Tome 6 (1962) no. 1, pp. 634-673. http://gdmltest.u-ga.fr/item/1255632711/